International Space Station 'United In Effort' T-Shirt

International Space Station 'United In Effort' T-ShirtThe International Space Station (ISS) is a research facility currently being assembled in space. The ISS is a joint project with 15 countries involved. The on-orbit assembly of ISS began in 1998. The space station travels at an average speed of 27, 700 km (17, 210 statute miles) per hour, completing 15.77 orbits per day.Our new International Space Station United In Effort T-Shirt, is a sharp design, which depicts the space station in flight over the Earth, with the Moon and Space Shuttle in the background.